If a solid shaft is subjected to a torque T at its end such that maximum shear stress does not exceed fz the diameter of the shaft will be

If a solid shaft is subjected to a torque T at its end such that maxim

1.	If a solid shaft is subjected to a torque T at its end such that maximum shear stress does not exceed fz the diameter of the shaft will be
A.	<img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-1.png">
B.	<img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-2.png">
C.	<img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-3.png">
D.	none of these.
Answer» D. none of these.